Design and Analysis of Spatial Modulation Based Orthogonal Time Frequency Space System

被引:0
|
作者
Yang, Yingchao [1 ]
Bai, Zhiquan [1 ]
Pang, Ke [1 ]
Ma, Piming [1 ]
Zhang, Haixia [2 ]
Yang, Xinghai [3 ]
Yuan, Dongfeng [1 ]
机构
[1] Shandong Univ, Sch Informat Sci & Engn, Shandong Prov Key Lab Wireless Commun Technol, Qingdao 266237, Peoples R China
[2] Shandong Univ, Sch Control Sci & Engn, Shandong Prov Key Lab Wireless Commun Technol, Jinan 250061, Peoples R China
[3] Qingdao Univ Sci & Technol, Coll Informat Sci & Technol, Qingdao 266061, Peoples R China
基金
中国国家自然科学基金;
关键词
orthogonal time frequency space (OTFS); spatial modulation based OTFS (SM-OTFS); delay-Doppler domain; average symbol error rate (ASER); average bit error rate (ABER); MASSIVE MIMO; CHANNEL ESTIMATION; PERFORMANCE;
D O I
暂无
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
In this paper, we design a spatial modulation based orthogonal time frequency space (SM-OTFS) system to achieve improved transmission reliability and meet the high transmission rate and high-speed demands of future mobile communications, which fully utilizes the characteristics of spatial modulation (SM) and orthogonal time frequency space (OTFS) transmission. The detailed system design and signal processing of the SM-OTFS system have been presented. The closed-form expressions of the average symbol error rate (ASER) and average bit error rate (ABER) of the SM-OTFS system have been derived over the delay-Doppler channel with the help of the union bounding technique and moment-generating function (MGF). Meanwhile, the system complexity has been evaluated. Numerical results verify the correctness of the theoretical ASER and ABER analysis of the SM-OTFS system in the high signal-to-noise ratio (SNR) regions and also show that the SM-OTFS system outperforms the traditional SM based orthogonal frequency division multiplexing (SM-OFDM) system with limited complexity increase under mobile conditions, especially in high mobility scenarios.
引用
收藏
页码:209 / 223
页数:15
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